CN202888406U - Apparatus for adjusting declination angle of communication antenna - Google Patents
Apparatus for adjusting declination angle of communication antenna Download PDFInfo
- Publication number
- CN202888406U CN202888406U CN 201220456163 CN201220456163U CN202888406U CN 202888406 U CN202888406 U CN 202888406U CN 201220456163 CN201220456163 CN 201220456163 CN 201220456163 U CN201220456163 U CN 201220456163U CN 202888406 U CN202888406 U CN 202888406U
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- driving shaft
- drive link
- hemizonid
- driver element
- communication antenna
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Abstract
The embodiment provided in the utility model discloses an apparatus for adjusting the declination angle of a communication antenna, comprising an electronic inclination angle control unit, a driving unit, a driving shaft and a limiting mechanism. The driving unit is provided with a control input terminal and a power output terminal, the control input terminal is connected with the electronic inclination angle control unit, and the power output terminal is coupled with the driving shaft. One end of the driving shaft is coupled with the power output terminal of the driving unit, the driving shaft is driven by the driving unit to move axially, and the declination angle of the communication antenna is adjusted. The driving shaft is mechanically restricted by the limiting mechanism to move in a predetermined scope. According to the apparatus for adjusting the declination angle of a communication antenna provided in the utility model, the adjustment precision of the declination angle of a communication antenna is effectively controlled.
Description
Technical field
The utility model relates to the communication antenna technical field, specifically relates to a kind of device of regulating the communication antenna tilt angled down.
Background technology
In mobile communication system, be the coverage optimization of realization to the Serving cell wireless signal, and mutually produce co-channel interference for suppressing co-frequency cell, need the reasonably tilt angled down of adjustment base station communication antenna, the antenna vertical directivity pattern is had a down dip.The tilt angled down of antenna determines the overlay area of antenna beam ripple.
In the prior art, the mode of regulating tilted angle of antenna is that the control drive system is rotated drive link, and the drive block on the drive link moves axially, and regulates the communication antenna tilt angled down by the movement of drive block.But, this regulative mode is not considered the stability of drive system, when mechanical tolerance even mechanical breakdown or drive link generation mechanical deformation appear in drive system, deviation may appear in the movement of drive block, cause the tilt angled down of practical adjustments deviation to occur, inconsistent with the tilt angled down that requires to regulate, thus cause the degree of regulation of tilt angled down deviation to occur.
The utility model content
The technical problem that the utility model execution mode mainly solves is: a kind of device of regulating the communication antenna tilt angled down is provided, can effectively controls the degree of regulation of communication antenna tilt angled down, and control simple, easy to operate.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of device of regulating the communication antenna tilt angled down is provided, and this device comprises electric slope angle control unit, driver element, driving shaft and position-limit mechanism.Driver element has control input end and clutch end, control input end connecting electronic inclination control unit, and clutch end couples driving shaft.One end of driving shaft couples the clutch end of driver element, and is axially mobile under the driving of driver element, to regulate the communication antenna tilt angled down.Position-limit mechanism mechanical stop driving shaft makes it mobile in preset range.
The device of the adjusting communication antenna tilt angled down of the utility model execution mode is by arranging position-limit mechanism, position-limit mechanism mechanical stop driving shaft when driving shaft moves axially, make driving shaft mobile in preset range, the displacement that prevents driving shaft exceeds preset range, can effectively control the degree of regulation of communication antenna tilt angled down, and control simple, easy to operate.
Description of drawings
Fig. 1 is the structural representation that the utility model is regulated device first execution mode of communication antenna tilt angled down;
Fig. 2 is the structural representation that the utility model is regulated device second execution mode of communication antenna tilt angled down;
Fig. 3 is the part-structure enlarged diagram of the drive link of device shown in Figure 2;
Fig. 4 is the structural representation that the utility model is regulated device the 3rd execution mode of communication antenna tilt angled down;
Fig. 5 is the structural representation of the securing member of device shown in Figure 4.
Embodiment
Below in conjunction with drawings and embodiments, the utility model is described in further detail.What particularly point out is; following execution mode only is used for explanation the utility model; but scope of the present utility model is not limited, those of ordinary skills are not making all other execution modes that obtain under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1, Fig. 1 is the structural representation that the utility model is regulated device first execution mode of communication antenna tilt angled down.This device comprises electric slope angle control unit 110, driver element 120, driving shaft 130 and position-limit mechanism 140.
Electric slope angle control unit 110 is provided with power connection and AISG joint (Antenna Interface Standards Group, Antenna Interface Standards Group) (figure does not all show), and power connection is used for connecting power supply, and the AISG joint is used for connecting External cable.
One end of driving shaft 130 couples the clutch end 122 of driver element 120, and is axially mobile under the driving of driver element 120, to regulate the communication antenna tilt angled down.That is to say that clutch end 122 makes driving shaft 130 axially mobile at self, according to the control of electric slope angle control unit 110, driving shaft 130 can move back and forth.In the present embodiment, clutch end 122 can be gear, and the surface of driving shaft 130 is with driving cog, driving cog and gear engagement, thus the reciprocating linear that the circular motion of gear changes into driving shaft 130 is moved.Certainly, those skilled in the art can adopt other known ways that driving shaft 130 will be moved axially.
Position-limit mechanism 140 mechanical stop driving shafts 130 make driving shaft 130 mobile in preset range.Preset range refers to, when setting the degree of regulation of communication antenna tilt angled down, and the scope that driving shaft 130 corresponding degrees of regulation should move.In the present embodiment, position-limit mechanism 140 comprises securing member 141 and locating part 142.Securing member 141 is fixed in driving shaft 130, and locating part 142 contiguous driving shafts 130 arrange, locating part 142 mechanical stop securing members 141, and namely the mechanical stop driving shaft 130, and driving shaft 130 is moved axially in preset range.
In the present embodiment, securing member 141 is one, locating part 142 is two, securing member 141 is between two locating parts 142, the degree of regulation of the corresponding communication antenna tilt angled down of the distance of two locating parts 142, the i.e. upper limit of locating part 142 corresponding degrees of regulation, the lower limit of another locating part 142 corresponding degrees of regulation.In other embodiments, securing member 141 is two, and locating part 142 is one, locating part 142 between two securing members 141, the degree of regulation of the corresponding communication antenna tilt angled down of the distance of two securing members 141.When securing member 141 and locating part 142 are one, can make driving shaft 130 at the moving direction of turning left or turning right a restriction be arranged, this situation also belongs to the utility model execution mode described " preset range ".
The other end of driving shaft 130 connects tilt angled down module 150, the distance that tilt angled down module 150 directly moves driving shaft 130 changes into the regulated quantity of tilt angled down, for example tilt angled down module 150 is the phase shifter of communication antenna, after driving shaft 130 moves, the phase change of phase shifter, thus the communication antenna tilt angled down changes.In addition, tilt angled down module 150 can also be antenna oscillator, and the phase place that changes antenna oscillator also can change the communication antenna tilt angled down.
The device of the adjusting communication antenna tilt angled down of the utility model execution mode arranges securing member 141 at driving shaft 130, contiguous driving shaft 130 arranges locating part 142, by locating part 142 mechanical stop securing members 141, driving shaft 130 can move back and forth in preset range, when abnormal conditions occurring, for example driving shaft produces mechanical deformation or because mechanical breakdown when causing driver element 120 outputting power squares to produce deviation, it is mobile that position-limit mechanism 140 all will make driving shaft 130 stop when driving shaft 130 surpasses preset range by force, the displacement that prevents driving shaft 130 exceeds preset range, can effectively control the degree of regulation of communication antenna tilt angled down.
In addition, the position of position-limit mechanism 140 can be regulated arbitrarily according to the required precision of tilt angled down, can be widely used in the various types of communication antenna.And, be easier to obtain the preset range that driving shaft 130 moves according to required precision, adjust fairly simple, the convenience of operation of the position of position-limit mechanism 140 according to preset range.Therefore, it is simple that the device of present embodiment has control, easy to operate effect.
See also Fig. 2, Fig. 2 is the structural representation that the utility model is regulated device second execution mode of communication antenna tilt angled down.This device comprises the phase shifter 260 of electric slope angle control unit 210, driver element 220, driving shaft 230, position-limit mechanism 240, drive link 241, drive block 242, angle scale 250 and communication antenna.Consider the convenience of actual use, debugging and transportation, the phase shifter 260 of electric slope angle control unit 210, driver element 220, driving shaft 230, position-limit mechanism 240, drive link 241, drive block 242, angle scale 250, communication antenna all is integrated in the casing 300.
Electric slope angle control unit 210 comprises power connection 211 and AISG joint 212, and power connection 211 and AISG joint 212 all stretch out in the cap of casing 300.In the present embodiment, electric slope angle control unit 210 is PLC(Programmable Logic Controller, programmable logic controller (PLC)).
Particularly, driver element 220 comprises motor 221 and speed changer 222, motor 221 is connected with speed changer 222, the control input end of motor 221 is as the control input end 2211 connecting electronic inclination control units 210 of driver element 220, and the clutch end of speed changer 222 couples driving shaft 230 as the clutch end 2221 of driver element 220.In the present embodiment, speed changer 222 is planetary transmission.Because motor 221 rotating speeds are high, moment of torsion is little, therefore, speed changer 222 is connected with motor 221, forms the output of the slow-speed of revolution, high pulling torque.
Further again, the surface of drive link 241 is threaded, and drive block 242 is provided with screwed hole, and drive link 241 is arranged in screwed hole.One end of drive link 241 connects the clutch end 2221 of speed changer 222, the other end of drive link 241 is located on the cap of casing 300, rotate in drive link 241 original place under the driving of driver element 220, one end of driving shaft 230 is fixed in drive block 242, the other end of driving shaft 230 connects phase shifter 260, along the moving axially of drive link 241, driving shaft 230 was also along with drive block 242 moves axially when drive block 242 rotated in drive link 241 original places.
Position-limit mechanism 240 comprises two securing members 243, two securing members 243 are fixed in drive link 241, drive block 242 between two securing members 243, securing member 243 mechanical stop drive blocks 242, be mechanical stop driving shaft 230, driving shaft 230 is moved axially in preset range.The degree of regulation of the corresponding communication antenna tilt angled down of distance between two securing members 243, i.e. the upper limit of securing member 243 corresponding degrees of regulation, the lower limit of another securing member 243 corresponding degrees of regulation.In the present embodiment, the scope of degree of regulation is-1 ~+1 degree.
In the present embodiment, motor 221 is the part of driver element 220.In other embodiments, driver element 220 can include only speed changer 222, use as transmission mechanism, and motor 221 is located at electric slope angle control unit 210 inside, is the part of electric slope angle control unit 210.
Also be provided with fixed support 310 in the casing 300, fixed support 310 passes driver element 220, and two ends are individually fixed on the sidewall of casing 300.Driver element 220 is fixed on the fixed support.
The device of present embodiment is arranged in drive block 242 with drive link 241, be fixed with two securing members 243 on the drive link 241, two securing members 243 preset range of being separated by, after electric slope angle control unit 210 sends conditioning signal, motor 221 drive speed transmission 222 output torques of driver element 220, thereby driving drive link 241 rotates, when drive link 241 rotates, drive block 242 and driving shaft 230 move axially, after driving shaft 230 moves preset distance, speed changer 222 quits work voluntarily, motor 221 is later than speed changer 222 and quits work, but securing member 243 mechanical stop drive block 242, it is mobile that drive block 242 is stopped, 221 in motor dallies, thereby effectively controls the degree of regulation of communication antenna tilt angled down.
See also Fig. 2 and Fig. 3, Fig. 3 is the part-structure enlarged diagram of the drive link of device shown in Figure 2.
The surface of drive link 241 is threaded 2411.Surface at drive link 241 is provided with cross section 2412 vertically, and cross section 2412 is shaped by modes such as milling, filings.Cross section 2412 is marked with scale 2413, and scale 2413 can be coating, also can be that engraving forms.
When securing member 243 was fixed in drive link 241, securing member 243 can be accurately fixing according to scale 2413.After the degree of regulation of tilt angled down was determined, preset range is also corresponding to be determined.When mounting fastener 243, accurately measure two distances between the securing member 243 by scale 2413, can guarantee that deviation does not appear in preset range, thereby the degree of regulation of tilt angled down deviation can not appear.
On the other hand, after using for a long time this device, drive link 241 is owing to often need to rotate, therefore, himself also small displacement may occur, and securing member 243 is fixed on the drive link 241, and this displacement will have influence on the up/down limit of the scope of tilt angled down degree of regulation.When initial installation drive link 241, can record drive link 241 with respect to the scale 2413 at object of reference place, after displacement appears in drive link 241, the scale 2413 corresponding positions in the time of can easily drive link 241 being adjusted back initial the installation.
Consider that drive link 241 can rotate, can a cross section also be set 2412 relative sides in the cross section, thereby can see scale at both direction.
See also Fig. 4, Fig. 4 is the structural representation that the utility model is regulated device the 3rd execution mode of communication antenna tilt angled down.
The device of present embodiment is changed position-limit mechanisms 240 with position-limit mechanism 340 on this basis take the device of the second execution mode as the basis.Position-limit mechanism 340 comprises securing member 343 and locating part 344, and securing member 343 is fixed in driving shaft 230, and locating part 344 contiguous driving shafts 230 arrange.When drive link 241 rotated, drive block 242 drove driving shaft 230 and moves axially, 344 mechanical stop securing members 343 of locating part, thus driving shaft 230 is moved axially in preset range.In the present embodiment, securing member 343 is two, and locating part 344 is between two securing members 343.
In the present embodiment, locating part 344 is fixed on the fixed support 310.In other embodiments, locating part 344 can be fixed in other positions in the casing 300.See also Fig. 4 and Fig. 5, Fig. 5 is the structural representation of the securing member of device shown in Figure 4.Securing member 343 can be used for replacing securing member 141 in the device shown in Figure 1 and the securing member 243 in the device shown in Figure 2.
Securing member 343 comprises the first hemizonid 3431 and the second hemizonid 3432, the first hemizonids 3431 and the 3432 involutory connections of the second hemizonid and holds drive link 242 tightly or driving shaft 230.
Run through on two end faces of the first hemizonid 3431 and be provided with the first screw 3433, two end faces of the second hemizonid 3432 also are provided with the second screw 3434 corresponding running through, and screw 3435 passes the second screw 3434, the first screw 3433 with the first hemizonid 3431 and the 3432 involutory connections of the second hemizonid.In the present embodiment, the material of the first hemizonid 3431 and the second hemizonid 3432 is plastic cement.In other embodiments, the material of the first hemizonid 3431 and the second hemizonid 3432 is metal.
In the present embodiment, the first screw 3433 is located at two end faces of the first hemizonid 3431, and the second screw 3434 is located at two end faces of the second hemizonid 3432.In other embodiments, the two ends of the two ends of the first hemizonid 3431 and the second hemizonid 3432 formation protuberance that stretches out respectively, screw 3435 passes the protuberance of the first hemizonid 3431 and the second hemizonid 3432, with the first hemizonid 3431 and the 3432 involutory connections of the second hemizonid.
Communication antenna has reflector, and the device of the utility model execution mode can be installed on a side of reflector, and perhaps the both sides of reflector all are symmetrically installed with this device, thereby when this device is regulated, the corresponding change of communication antenna tilt angled down.
By the way, the device of the adjusting communication antenna tilt angled down of the utility model execution mode is by arranging position-limit mechanism, position-limit mechanism mechanical stop driving shaft when driving shaft moves axially, make driving shaft mobile in preset range, the displacement that prevents driving shaft exceeds preset range, can effectively control the degree of regulation of communication antenna tilt angled down, and control simple, easy to operate.
The above only is execution mode of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (11)
1. a device of regulating the communication antenna tilt angled down is characterized in that, described device comprises electric slope angle control unit, driver element, driving shaft and position-limit mechanism, wherein:
Described driver element has control input end and clutch end, described control input end connecting electronic inclination control unit, and described clutch end couples driving shaft;
One end of described driving shaft couples the clutch end of described driver element, and is axially mobile under the driving of driver element, to regulate the communication antenna tilt angled down;
Described position-limit mechanism mechanical stop driving shaft makes it mobile in preset range.
2. device according to claim 1, it is characterized in that, described driver element comprises motor and speed changer, described motor is connected with speed changer, the control input end of described motor is as the control input end connecting electronic inclination control unit of driver element, and the clutch end of described speed changer couples driving shaft as the clutch end of driver element.
3. device according to claim 2, it is characterized in that, described device also comprises drive link and drive block, the surface of described drive link is threaded, and described drive block is provided with screwed hole, and described drive link is arranged in screwed hole, one end of described drive link connects the clutch end of speed changer, and rotate in the original place under the driving of described driver element, and an end of described driving shaft is fixed in described drive block, moving axially along drive link when described drive block rotates in the drive link original place.
4. device according to claim 3 is characterized in that, described position-limit mechanism comprises securing member and locating part, described securing member is fixed in driving shaft, the contiguous described driving shaft setting of described locating part, described locating part mechanical stop securing member moves axially described driving shaft in preset range.
5. device according to claim 4 is characterized in that, described securing member is two, and described locating part is between two securing members.
6. device according to claim 4 is characterized in that, described locating part is two, and described securing member is between two locating parts.
7. device according to claim 3 is characterized in that, described position-limit mechanism comprises two securing members, two described securing members are fixed in drive link, described drive block is between two securing members, and described securing member mechanical stop drive block moves axially described driving shaft in preset range.
8. device according to claim 7 is characterized in that, the surface of described drive link is provided with the cross section vertically, and described cross section is marked with scale.
9. according to claim 4 or 8 described devices, it is characterized in that described securing member comprises the first hemizonid and the second hemizonid, described the first hemizonid and the involutory connection of the second hemizonid are also held drive link tightly or driving shaft.
10. device according to claim 9, it is characterized in that, run through on two end faces of described the first hemizonid and be provided with the first screw, two end faces of described the second hemizonid also are provided with the second screw corresponding running through, and screw passes the first screw, the second screw with the first hemizonid and the involutory connection of the second hemizonid.
11. device according to claim 3 is characterized in that, described device also comprises angle scale, and described angle scale comprises fixed ruler and the adjustable rule of being located on the fixed ruler, and described adjustable rule is fixed on the driving shaft, and described fixed ruler maintains static.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456163 CN202888406U (en) | 2012-09-07 | 2012-09-07 | Apparatus for adjusting declination angle of communication antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456163 CN202888406U (en) | 2012-09-07 | 2012-09-07 | Apparatus for adjusting declination angle of communication antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202888406U true CN202888406U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220456163 Expired - Fee Related CN202888406U (en) | 2012-09-07 | 2012-09-07 | Apparatus for adjusting declination angle of communication antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202888406U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842764A (en) * | 2012-09-07 | 2012-12-26 | 苏州市大富通信技术有限公司 | Device for adjusting downdip angle of communication antenna |
| CN109193121A (en) * | 2018-08-27 | 2019-01-11 | 京信通信系统（中国）有限公司 | The antenna of adjustable beam angle |
| CN118336373A (en) * | 2024-06-13 | 2024-07-12 | 中信科移动通信技术股份有限公司 | Antenna downward inclination angle adjusting device and base station antenna |
-
2012
- 2012-09-07 CN CN 201220456163 patent/CN202888406U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842764A (en) * | 2012-09-07 | 2012-12-26 | 苏州市大富通信技术有限公司 | Device for adjusting downdip angle of communication antenna |
| CN102842764B (en) * | 2012-09-07 | 2014-12-17 | 苏州市大富通信技术有限公司 | Device for adjusting downdip angle of communication antenna |
| CN109193121A (en) * | 2018-08-27 | 2019-01-11 | 京信通信系统（中国）有限公司 | The antenna of adjustable beam angle |
| CN109193121B (en) * | 2018-08-27 | 2020-11-06 | 京信通信技术(广州)有限公司 | Antenna with adjustable beam width |
| CN118336373A (en) * | 2024-06-13 | 2024-07-12 | 中信科移动通信技术股份有限公司 | Antenna downward inclination angle adjusting device and base station antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20170907 |